- Prehistoric Farm is a Roblox dinosaur farming simulator built around one loop: dig, hatch, raise, ride.
- Fossils collected at dig sites convert into dino eggs at Dr. Ivy's DNA Lab.
- Growth stages run from Newborn to Elder, increasing production value at each stage.
- Green bar timing on shovel swings decides fossil quality — master it early.
- T-Rex and Spinosaurus are the endgame legendary producers worth saving fossils for.
What Is Prehistoric Farm?
Prehistoric Farm is a Roblox simulator where you run a dinosaur ranch from scratch. You sail between wild islands, excavate glowing fossil spots with your shovel, convert fossils into dinosaur eggs at Dr. Ivy's DNA Lab, and raise the hatchlings from Newborns into huge Elders. Grown dinosaurs produce resources for your farm and can be ridden across your expanding ranch.
The core progression loop breaks into four pillars:
| Pillar | What You Do | Why It Matters |
|---|---|---|
| Digging | Excavate fossil spots on islands | Fossils are the currency for all eggs |
| Hatching | Convert fossils into eggs, incubate them | Every dino on your farm starts as an egg |
| Growing | Feed dinos through life stages | Higher stages = more income and resources |
| Riding | Mount adult dinos | Faster travel and access to new farming areas |
The beginning island has low-tier dig mounds near the spawn farm and beach. They refresh every few minutes and mostly drop common fossils — perfect for farming your first egg without risking anything.
Dig Sites and Fossil Guide
Fossil digging is the engine of the whole game. Islands host glowing dig spots, each tied to a fossil tier, and every fossil you excavate can become an egg.
| Island Zone | Fossil Tier | Notable Fossils | Maps To |
|---|---|---|---|
| Starter Island | Common | Small Bone Fragments, Amber Chunks | Early eggs like Triceratops |
| Desert Island | Medium | Petrified Claws, Hardened Eggs | Mid-tier carnivores, Raptor family |
| Jungle & Volcano | Rare | Giant Skulls, Volcanic Cores | Legendary eggs: T-Rex, Spinosaurus |
Green bar mechanics:
- Hold the interact key at a dig spot to start swinging
- A moving indicator slides across a bar — release inside the green zone for a perfect hit
- Perfect hits speed up excavation and improve fossil quality chances
- Misses add extra swings and risk crumbling the fossil
Better shovels widen the green zone, cut total swings, and unlock higher-tier dig spots. Upgrade at the blacksmith stall with coins and fossils before pushing into new islands — tier-gated spots will waste your time otherwise.
Starter Island
- Beginner-friendly dig mounds
- Fast respawn, few minutes per cycle
- Common fossils for early eggs
Desert Island
- Dense clusters near canyon walls
- Medium-rarity fossils
- Source of Raptor-family eggs
Jungle & Volcano
- Endgame excavation sites
- Terrain hazards, longer timers
- Legendary fossils for T-Rex eggs
Egg Hatching Step-by-Step
Every dinosaur starts as an egg, and the path from dig site to hatchling follows a fixed sequence. Follow these steps to keep your incubators full at all times.
Collect Fossils from Dig Sites
Head to any dig site and excavate fossils with your shovel. Fossils are the primary currency for eggs, so keep a stockpile running between hatch cycles.
Convert Fossils at the Egg Station
Each egg type lists the fossil combination it requires. Common eggs need a few basic fragments; rare eggs demand multiple high-tier fossils from advanced islands.
Place Eggs in the Incubator
Put your egg into an incubator slot to start the hatch timer. Common eggs hatch in minutes, while legendary eggs take substantial real-world time. Multiple incubators let you hatch in parallel.
Speed Up Hatching
Stay active in-game, use gamepass boosts, and watch for event multipliers. Holiday events often slash incubation time — stockpile eggs before update events hit.
Unlock Rare and Legendary Eggs
Rare eggs come from island progression, quests, and event-exclusive fossils. Prioritize unlocking advanced islands, since their dig sites are the only source of legendary fossils like T-Rex.
Extra incubator slots are among the best value gamepasses. Hatching multiple eggs at once compounds your farm growth far faster than boosting a single timer.
Dinosaur Tier List and Raising Guide
Not all dinosaurs are equal. Rank each species on production income, growth speed, and riding experience before committing your rare fossils.
| Tier | Dinosaurs | Why They Rank Here |
|---|---|---|
| S | T-Rex, Spinosaurus | Highest income, strong ride speed, worth every fossil |
| A | Triceratops, Stegosaurus, Velociraptor | Steady income, solid mounts, Raptor is fastest in class |
| B | Brontosaurus, Ankylosaurus | Respectable long-term output, easy to obtain |
| C | Compsognathus, Parasaurolophus | Cheap starters, replace once better fossils unlock |
Growth runs through four life stages, each raising production value:
| Stage | Position in Cycle | Effect on Your Farm |
|---|---|---|
| Newborn | Just hatched | Minimal output, needs feeding |
| Juvenile | Early growth | Modest resource drops begin |
| Adult | Riding unlocks | Full production value, mountable |
| Elder | Final stage | Maximum output for the species |
Riding unlocks at the adult stage. Fast carnivores like the Raptor are agile for reaching dig sites; T-Rex and Spinosaurus cover open ground quickly with high stamina; Triceratops makes a comfortable starter mount.
Farm Progression Checklist:
- Master green-zone perfect digs on Starter Island
- Hatch your first dinosaur egg
- Unlock the Desert Island dig sites
- Raise one dinosaur to Elder stage
- Mount your first adult dinosaur
- Reach the Jungle and Volcano endgame digs
- Hatch a legendary T-Rex or Spinosaurus egg
Ranch Layout and Gamepass Value
An efficient ranch compounds everything else. These layout principles keep income flowing while you are out digging:
- Central feeding troughs — all dinos stay fed without long walks
- Clustered same-species pens — makes egg collection painless
- Incubators near the Egg Station — minimizes back-and-forth hauling
- Upgrade pen space before buying more dinos — avoids crowding penalties
| Gamepass | What It Does | Value Rating |
|---|---|---|
| 2x Coins boost | Doubles coin income permanently | ★★★★★ |
| Extra Incubator slots | Hatch eggs in parallel | ★★★★☆ |
| Shovel upgrade line | Wider green zone, fewer swings | ★★★★☆ |
| Cosmetic-only passes | Visual changes only | ★★☆☆☆ |
Cosmetic-only passes do nothing for progression. If you are spending Robux before endgame, put it into the 2x Coins boost and incubator slots first — they pay for themselves over time.
FAQ
Q: What is the main goal in Prehistoric Farm?
The core loop is digging fossils on islands, converting them into dinosaur eggs at Dr. Ivy's DNA Lab, hatching them, and raising the dinosaurs from Newborn to Elder. Grown dinos produce resources and can be ridden to expand your ranch.
Q: How do I get rare eggs like T-Rex?
Legendary fossils such as Giant Skulls and Volcanic Cores only drop at endgame Jungle and Volcano dig sites. Unlock those islands first through progression milestones, then farm their dig spots and convert the fossils at the Egg Station.
Q: How does the green timing bar work when digging?
Hold the interact key to swing your shovel, and release when the moving indicator enters the green zone. Perfect hits speed up excavation and improve fossil quality, while misses add extra swings and can crumble the fossil.
Q: When can I ride my dinosaur?
Riding unlocks once a hatched dinosaur reaches its adult growth stage. Walk up to the mature dino and press the mount prompt. Larger species take longer to grow but move faster once mounted.